--- On Sun, 2/21/10, Glen Slick <glen.slick at gmail.com> wrote:
   I'm
looking for a VT100 advanced video option board. 
 Or, failing that, if anyone has a
.100 spacing, 50 pin dual
 row female connector so I can makes one...
  
 Is this part compatible with what you need?
 EDAC 341-050-520-202
 
http://www.edac.net/file_library/series/49_341%20391.pdf
 Mouser has those in stock for $3.66 each. 
 
Unfortunately, it's not an edge connector, it's a header type connector. A dual
row of pins on the board, spaced at .100. So, imagine a SCSI ribbon connector, but spaced
at .100 instead of .156.
-Ian